public void AddPermission(Permission permission)
 {
     Permissions.Add(permission);
 }
 protected static void AddPermission(Guid permissionId, string name)
 {
     using (DbContext writeDbContext = new DbContext())
     {
         Permission permission = new Permission
         {
             Id = permissionId,
             Name = name
         };
         writeDbContext.Permissions.Add(permission);
         writeDbContext.SaveChanges();
     }
 }